elastomeric coatings for metal roofs
https://topsitenet.com/article/929621-your-place-elastomeric-roof-coatings-last-long-if-not-a-lifetime/
<p class="p__4">Watch on your roof to make certain its in ship-shape, specifically after heavy storms. Shingles should lie flat versus the roof; if you find patches that are split, damaged, or buckling, then repair